Twenty-Seven Countries in Europe Have Formed the European Union (EU)

Twenty-seven countries in Europe have formed the European Union (EU) .After the EU was formed, it

A) greatly decreased imports and exports among its member countries.
B) barred imports of 747 jumbo jets by its member countries; all EU countries must now buy jets from Airbus, a European company.
C) eliminated all tariffs among its member countries.
D) completed a trade treaty (NAFTA) that reduced tariff rates between the EU and North American countries.